собственный период колебаний: 29 phrases in 16 subjects |
Acoustics | 1 |
Automobiles | 1 |
Combustion gas turbines | 1 |
Construction | 1 |
Electronics | 1 |
Geophysics | 5 |
Makarov | 4 |
Metrology | 1 |
Mining | 4 |
Nautical | 2 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Road works | 1 |
Sakhalin | 1 |
Seismology | 1 |
Technology | 2 |